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[Xen-users] domU file system corruption

  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Thomas Knauth <thomas.knauth@xxxxxxxxxxxxxx>
  • Date: Mon, 31 Jan 2011 19:03:39 +0100
  • Delivery-date: Tue, 01 Feb 2011 01:13:31 -0800
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Dear List,

I have a simple setup where VMs are created using the following command line

xm create /dev/null ramdisk=/boot/initrd.img-2.6.32-5-xen-amd64
kernel=/boot/vmlinuz-2.6.32-5-xen-amd64 name=vm0
vif="bridge=br0,mac=52:54:00:13:37:00" vcpus=8 memory=512

file:/home/thomas/euca-debian-5.0-x86_64/vm1.img is an NFS mount

For some reason, the virtual disk seems to get corrupted very
frequently. Running e2fsck on the disk file (after powering down the
VM with "xm shutdown vm0"), reports file system errors or a journal
that needs recovering. Not sure where/if I am doing something wrong.

I suspect the NFS-backed disk file to be the issue?! Any pointers
where to look for further information appreciated!


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